Debunk claim:

The referendum in Crimea has not been recognized by either the UN or the EU. http://collections.internetmemory.org/haeu/content/20160313172652/http:/eeas.europa.eu/top_stories/pdf/the-eu-non-recognition-policy-for-crimea-and-sevastopol-fact-sheet.pdf http://bit. ly/1ogSVdS // It was preceded by strong disinformation campaign and held under a heavy Russian military presence: http://www.bbc.com/news/world-europe-26546133